Agricultural Waste Can Solve Environmental Problems in Democratic Republic of the Congo (original) (raw)

Abstract

The industrial mining factories in Democratic Republic of the Congo (D.R.C.) discharge effluents containing hexavalent chromium and this situation can be very harmful to the environment. So the hexavalent chromium contained in wastewater should be removed in order to prevent environmental problems. Therefore, the present work aims to investigate the use of sugar beet pulp available in D.R.C. for the removal of hexavalent chromium from wastewater. Variables studied were chromium initial concentration (10–50mg/L), pH (2–9), solid/liquid ratio (0.25/100–3/100), and contact time (30–180min). All the experiments were performed at room temperature and average results were reported. The highest percent removals for 10 ppm concentration (90.53%) and 50 ppm concentration (76.34%) were achieved at the following conditions: pH 2, contact time 90 min, and solid/liquid ratios of 2 g/100mL and 3 g/100mL respectively

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